CVE-2018-12087 json
Moderate severity vulnerability that affects OPCFoundation.NetStandard.Opc.Ua
published 2018-10-03 8 y ago modified 2026-06-17 4 mo ago also GHSA-8336-mxp6-v5h9 , EUVD-2018-0542
- cvss
- 5.3
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 21%
- public exploits
- 0
- none known
Summary
Failure to validate certificates in OPC Foundation UA Client Applications communicating without security allows attackers with control over a piece of network infrastructure to decrypt passwords.
Patch / fix
- nuget OPCFoundation.NetStandard.Opc.Ua 1.4.353.15
Exploit prediction
0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 5.3 | CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N |
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
| GitHub | 3.0 | 5.3 | CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| nuget | OPCFoundation.NetStandard.Opc.Ua | <1.4.353.15 |
1.4.353.15 |
Classification
- Weakness
-
- CWE-295 Improper Certificate Validation
References
-
opcfoundation-onlineapplications.org
/faq/SecurityBulletins/OPC_Foundation_Security_Bulletin_CVE-2018-12087.pdf
web, mitigation, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2018-12087
advisory
-
github.com
/advisories/GHSA-8336-mxp6-v5h9
advisory
Sources
- CVE List CVE-2018-12087
- GitHub Advisory GHSA-8336-mxp6-v5h9
- NVD CVE-2018-12087
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